SELF-PROTECTION DEVICE, NAMELY, A DEVICE WHICH PROVIDES A CHEMICAL IRRITANT, AN ACOUSTIC DETERRENT, AN ACOUSTIC AND CHEMICAL INTIMIDATING OUTPUT, AN ACOUSTIC SIGNAL OUTPUT, OR AN ACOUSTIC CONCUSSIVE OUTPUT; A HANDHELD DEVICE CONTAINING A BURST ENVELOPE CAPABLE OF RELEASING A POWDER OR LIQUID THAT MAY BE IN THE FORM OF AN IRRITANT, A MARKING MEDIUM, A MEDICINAL OR INNOCULATING AGENT